How to stop automatic first Big letter after dot (.)?

Hi all!
If I a write other word after dot (.) I have a big first letter in next word but it is not a start of new sentence.
Where is the key for stopping a BIG first letter after points?
Thanks, Sergey.

Duplicated of Use this instance.

Choose Tools - AutoCorrect - AutoCorrect Options…, Options tab, and uncheck Capitalize first letter of every sentence.

Choosing Tools - AutoCorrect - AutoCorrect Options… - Exceptions tab, you can add a list of abbreviations to prevent LibreOffice from automatically capitalizing the first letter of words that comes after these words.

More LibreOffice Help on AutoCorrect.

Tested with LibreOffice (x86); OS: Windows 6.1.

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